13锛庡?鍥?涓€涓?悎鏍肩殑寮?舰绠￠亾,缁忚繃涓ゆ?鎷愬集鍚庝繚鎸佸钩琛岋紙AB鈭?C锛夛紟濡傛灉鈭燙=60掳,閭

13锛庡?鍥?涓€涓?悎鏍肩殑寮?舰绠￠亾,缁忚繃涓ゆ?鎷愬集鍚庝繚鎸佸钩琛岋紙AB鈭?C锛夛紟濡傛灉鈭燙=60掳,閭ｄ箞鈭燘鐨勫害鏁版槸________锛嶞br/>x0914锛庡凡鐭?濡傚浘,鈭?=鈭燗BC=鈭燗DC,鈭?=鈭?,鈭?=鈭?,鈭燗BC+鈭燘CD=180掳锛庡皢涓嬪垪鎺ㄧ悊杩囩▼琛ュ厖瀹屾暣锛欬br/> 锛?锛夆埖鈭?=鈭燗BC锛堝凡鐭ワ級,
鈭碅D鈭?_____
锛?锛夆埖鈭?=鈭?锛堝凡鐭ワ級,
鈭碅B鈭?_____,
锛坃______________________________锛堻br/> 锛?锛夆埖鈭燗BC+鈭燘CD=180掳锛堝凡鐭ワ級,
鈭確______鈭?_______,
x09锛坃_______________________________锛